Prerequisites: CCNP level skills.
Note!
Use the Lab 14 final configuration in this one.
Topology
Pic. 1 – OSPF Multi-Area Topology.
Task List
Step 1
Check the routing table on R4. Area 2 should accept all LSAs (LSAs 1-5).
Step 2
Configure router(s) so area 2 does not receive the following LSAs:
- LSA5
- LSA4
- LSA3
Step 3
Verify the results.
Lab Solution
Step 1
Check the routing table on R4. Area 2 should accept all LSAs (LSAs 1-5).
Pic. 2 – All LSAs on R4.
Step 2
Configure router(s) so area 2 does not receive the following LSAs:
- LSA5
- LSA4
- LSA3
R2 Configuration:
!
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
area 2 stub no-summary
network 10.1.12.2 0.0.0.0 area 0
network 10.1.24.2 0.0.0.0 area 2
network 172.16.102.2 0.0.0.0 area 0
router-id 2.2.2.2
log-adjacency-changes
area 2 stub no-summary
network 10.1.12.2 0.0.0.0 area 0
network 10.1.24.2 0.0.0.0 area 2
network 172.16.102.2 0.0.0.0 area 0
!
R4 Configuration:
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
area 2 stub
network 0.0.0.0 255.255.255.255 area 2
router-id 4.4.4.4
log-adjacency-changes
area 2 stub
network 0.0.0.0 255.255.255.255 area 2
!
R6 Configuration:
!
router ospf 1
router-id 6.6.6.6
log-adjacency-changes
area 2 stub
network 0.0.0.0 255.255.255.255 area 2
router-id 6.6.6.6
log-adjacency-changes
area 2 stub
network 0.0.0.0 255.255.255.255 area 2
!
Step 3
Verify the results.
Pic. 3 – R4’s routing table.
